33866 Aortic hemiarch graft
Also known as: Hemiarch graft, partial arch replacement, arch hemiarch graft
Aortic hemiarch graft; surgical replacement of the transverse aortic arch extending into the descending thoracic aorta with a prosthetic graft to address arch and proximal descending aortic pathology.
In Plain Language
Surgery to replace part of aorta arch; Hemiarch replacement with graft
Clinical Context
Used for limited aortic arch pathology or selected Type A dissections where full arch replacement is not required. Avoids extensive branch vessel reconstruction while addressing critical pathology.
RVU Breakdown
| Work RVU | 17.31 |
| Total RVU | 17.31 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 17.31, this code ranks in the 78th percentile among Surgery codes — 2.2x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 33866?
CPT 33866 (Aortic hemiarch graft) is a Surgery code. Aortic hemiarch graft; surgical replacement of the transverse aortic arch extending into the descending thoracic aorta with a prosthetic graft to address arch and proximal descending aortic pathology.
What is the wRVU value for CPT 33866?
The work RVU for CPT 33866 is 17.31. This code is primarily used by Cardiac Surgery, Cardiothoracic Surgery, Vascular Surgery.
When is CPT 33866 used?
Used for limited aortic arch pathology or selected Type A dissections where full arch replacement is not required. Avoids extensive branch vessel reconstruction while addressing critical pathology.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.